﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Csharpwork1
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.Write("please input the first number");
            double number1 = int.Parse(Console.ReadLine());
            Console.Write("please input the second number");
            double number2 = int.Parse(Console.ReadLine());
            Console.WriteLine("{0}+{1}={2}", number1, number2, number1 + number2);
            Console.WriteLine("{0}-{1}={2}", number1, number2, number1 - number2);
            Console.WriteLine("{0}*{1}={2}", number1, number2, number1 * number2);
            Console.WriteLine("{0}/{1}={2}", number1, number2, number1 / number2);
            Console.ReadKey();

        }
    }
}
